I'm new to blockbench, how do I fix custom model data?

[barren sparrow]

I'm using custom models for a resource pack and editing things from the "resource packager" plugin. However, it's just a null texture. Here's the
.json

[rare valve]

1. you have closed off your whole .json here (so get rid of that last } in the section I highlighted, but keep the comma)
2. you have a comma at the end of your predicate line